Line of Credit Facility, Maximum Election To Increase Borrowing Capacity

No definition available.

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Namespace Prefix:	five_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line of Credit Borrowed and Repaid During Period

+ References

No definition available.

+ Details

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Namespace Prefix:	five_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Minimum Availability Of Loan Cap During Diligence Deferral Period

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Minimum Availability Of Loan Cap Outside Of Diligence Deferral Period

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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Balance Type:
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- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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- Details

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Term Loan and Line of Credit (Line of Credit) (Details) - USD ($)		12 Months Ended
	Jan. 27, 2021	Jan. 29, 2022
The First Amendement [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Election To Increase Borrowing Capacity	$ 50,000,000
Line of Credit Facility, Current Borrowing Capacity		$ 225,000,000
Amended Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Borrowed and Repaid During Period		$ 0
Line of Credit [Member] \| The First Amendement [Member]
Debt Instrument [Line Items]
Minimum Availability Of Loan Cap During Diligence Deferral Period	12.50%
Minimum Availability Of Loan Cap Outside Of Diligence Deferral Period	10.00%
Line of Credit [Member] \| The First Amendement [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	1.25%
Line of Credit [Member] \| The First Amendement [Member] \| Minimum [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Interest rate on borrowings (percent)	1.25%
Line of Credit [Member] \| The First Amendement [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	1.75%
Line of Credit [Member] \| The First Amendement [Member] \| Maximum [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Interest rate on borrowings (percent)	1.75%